Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Montana Territory | Statement: [George Armstrong Custer, placeOfDeath, Montana Territory]

Target entity: Montana Territory
Context triple: [George Armstrong Custer, placeOfDeath, Montana Territory]

• A. Wyoming Territory
  Wyoming Territory was an organized incorporated territory of the United States in the late 19th century that preceded the state of Wyoming and encompassed parts of the northern Great Plains and Rocky Mountains.
• B. Dakota Territory
  Dakota Territory was a 19th-century organized incorporated territory of the United States that once encompassed the areas that later became North Dakota, South Dakota, and parts of neighboring states.
• C. Idaho Territory
  Idaho Territory was a historical U.S. territory (1863–1890) in the Pacific Northwest and Mountain West that preceded the state of Idaho.
• D. Nebraska Territory
  Nebraska Territory was a mid-19th-century U.S. organized incorporated territory that once encompassed much of the northern Great Plains before being gradually reduced to form the state of Nebraska and parts of several other states.
• E. Nevada Territory
  Nevada Territory was a 19th-century organized incorporated territory of the United States that preceded the state of Nevada, known for its mining boom and role in the American West.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Montana Territory
Triple: [George Armstrong Custer, placeOfDeath, Montana Territory]

Montana Territory was an organized incorporated territory of the United States that existed from 1864 to 1889 in the northwestern region of the country, preceding the state of Montana.

Target entity: Montana Territory
Target entity description: Montana Territory was an organized incorporated territory of the United States that existed from 1864 to 1889 in the northwestern region of the country, preceding the state of Montana.

• A. Wyoming Territory
  Wyoming Territory was an organized incorporated territory of the United States in the late 19th century that preceded the state of Wyoming and encompassed parts of the northern Great Plains and Rocky Mountains.
• B. Dakota Territory
  Dakota Territory was a 19th-century organized incorporated territory of the United States that once encompassed the areas that later became North Dakota, South Dakota, and parts of neighboring states.
• C. Idaho Territory
  Idaho Territory was a historical U.S. territory (1863–1890) in the Pacific Northwest and Mountain West that preceded the state of Idaho.
• D. Nebraska Territory
  Nebraska Territory was a mid-19th-century U.S. organized incorporated territory that once encompassed much of the northern Great Plains before being gradually reduced to form the state of Nebraska and parts of several other states.
• E. Nevada Territory
  Nevada Territory was a 19th-century organized incorporated territory of the United States that preceded the state of Nevada, known for its mining boom and role in the American West.
• F. None of above. chosen